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jQuery is included via the Google AJAX Libraries repository. Dean Edwards' IE7-js is included via it's Google Code hosting URL. Version numbers of both libraries should be checked and updated to latest versions.

Note: While libraries can be referenced from the Google AJAX Libraries repository with abbreviated version numbers (specifying just '1', instead of '1.3.2', for example), it's always better to include the full version number. Otherwise, Google will not sent appropriate cache and expires headers.